Home / 26,436.75-39,642.84-9,796.11

Finding the Fourth Proportional to 26,436.75, 39,642.84 and 9,796.11

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Solution

The fourth proportional to 26,436.75, 39,642.84 and 9,796.11 is: 14,689.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,436.75 : 39,642.84 = 9,796.11 : x
  2. Step 2: Convert to fraction form
    26,436.75/39,642.84 = 9,796.11/x
  3. Step 3: Cross multiply
    26,436.75x = 39,642.84 × 9,796.11
  4. Step 4: Simplify right side
    26,436.75x = 388,345,621.35
  5. Step 5: Solve for x
    x = 388,345,621.35/26,436.75
  6. Step 6: Final answer
    x = 14,689.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.